{if condition="($breadcrumbs)"}
    <ol class="breadcrumb">
        <li>
            <i class="fa fa-dashboard"></i>
            <a href="{:url('admin/index/index')}">首页</a>
        </li>
        {foreach $breadcrumbs as $breadcrumb}
            {$breadcrumb}
        {/foreach}
    </ol>
{/if}